Manufacturer’s covers are made of metal or concrete .
The shapes of the covers are rectangular (the manufacturer has a large number of drainage covers) , square , round , or elliptical .
Elliptical (or round) covers intended for sidewalks are usually surrounded by a square frame to facilitate paving work .
No colored covers were found, but a small number of golden covers exist .
No covers of this manufacturer bearing city emblems were found on the site.

The purpose of the cover is usually derived from its shape: drainage covers by their drainage slots , water covers bear the word “water” or the names of the consumers (they are also usually elliptical) , and communication covers bear the name of the communication provider .

Sometimes the year of manufacture of the covers appears .

Many covers are made from a standard mold, with additional plates added as needed (consumer’s name, cover purpose, etc.) . Sometimes the plate is missing, either intentionally or due to wear .

Standards
Most covers bear the certification mark of the Standards Institution of Israel (appearing as SII) , as well as SI 489, the special Israeli standard for covers in areas used by vehicles or pedestrians .
The European standard EN124 and its associated load classes are found on many covers, with the most common load classes being B125 and D400 .

Typical Covers
As mentioned, the manufacturer has a variety of drainage covers, both round and rectangular .
Another type is the elliptical cover, which usually appears in two forms: regular elliptical and “fat” elliptical .
Modular covers also exist, consisting of several covers with different backgrounds , .

Slanted covers were also found (rectangular covers composed of two triangles, where the opening is done by lifting one of the triangles) . There are 46 manhole covers in the site that are made by the Manufacturer
Click for the 46 covers made by Ametis (Of these, 0 are best covers)